import org.junit.Test;

import static org.junit.Assert.*;

public class RangeExtractorTest {

    @Test
    public void test_BasicTests() {
        assertEquals("-6,-3-1,3-5,7-11,14,15,17-20", RangeExtractor.rangeExtraction(new int[] {-6,-3,-2,-1,0,1,3,4,5,7,8,9,10,11,14,15,17,18,19,20}));
    }
}